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31 lines
914 B
31 lines
914 B
7 months ago
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-- -mattr=sse2 | FileCheck %s
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; RUN: llc < %s -mtriple=i686-- -mattr=sse2 -O0 | FileCheck %s
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@x = external dso_local global double
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define void @foo() nounwind {
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; CHECK-LABEL: foo:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
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; CHECK-NEXT: xorps %xmm0, %xmm0
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; CHECK-NEXT: movsd %xmm0, x
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; CHECK-NEXT: movsd %xmm0, x
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; CHECK-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
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; CHECK-NEXT: retl
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%a = load volatile double, double* @x
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store volatile double 0.0, double* @x
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store volatile double 0.0, double* @x
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%b = load volatile double, double* @x
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ret void
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}
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define void @bar() nounwind {
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; CHECK-LABEL: bar:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
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; CHECK-NEXT: retl
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%c = load volatile double, double* @x
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ret void
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}
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